5310-00-637-2171 WASHER,FLAT Index 5130-00-637-2181 RIVET SET,PNEUMATIC TOOL

National Stock Number:
5365-00-637-2176

Federal Supply Class:
5365

National Item Identification Number:
006372176

Description:
SPACER,RING

Detail:
A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see GASKET. For items manufactured from lubricated plastics, see BEARING, WASHER, THRUST. For items manufactured from lubricated felt, see FELT, MECHANICAL, PREFORMED. Excludes DISK, VALVE; INSULATOR WASHER; and SHIM. See also SPACER, PLATE and SPACER, SLEEVE.


Manufacturer Information:
P24D439579500WESTINGHOUSE ELECTRIC CORP


Techincal Specification:
HARDNESS RATING78.0 ROCKWELL C MINIMUM AND 85.0 ROCKWELL C MAXIMUM
INSIDE DIAMETER0.305 INCHES NOMINAL
OUTSIDE DIAMETER0.370 INCHES NOMINAL
OVERALL THICKNESS0.312 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766,CLASS 4 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 301


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